git: openjdk/jdk17u-dev: 8290322: Optimize Vector.rearrange over byte vectors for AVX512BW targets.

[Paul Hohensee]

Changeset: 27b75a87
Author:    Jatin Bhateja <jbhateja at openjdk.org>
Committer: Paul Hohensee <phh at openjdk.org>
Date:      2022-12-19 14:01:55 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/27b75a87df44560b560a311f96c28de9e1abc1bb

8290322: Optimize Vector.rearrange over byte vectors for AVX512BW targets.

Reviewed-by: phh, sviswanathan
Backport-of: 38a81913d33c856d64b7c26f934026815a482e43

! src/hotspot/cpu/x86/assembler_x86.cpp
! src/hotspot/cpu/x86/assembler_x86.hpp
! src/hotspot/cpu/x86/c2_MacroAssembler_x86.cpp
! src/hotspot/cpu/x86/c2_MacroAssembler_x86.hpp
! src/hotspot/cpu/x86/x86.ad
+ test/micro/org/openjdk/bench/jdk/incubator/vector/RearrangeBytesBenchmark.java